253234349 has 2 divisors, whose sum is σ = 253234350. Its totient is φ = 253234348.

The previous prime is 253234309. The next prime is 253234357. The reversal of 253234349 is 943432352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146773225 + 106461124 = 12115^2 + 10318^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253234349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253234309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126617174 + 126617175.

It is an arithmetic number, because the mean of its divisors is an integer number (126617175).

Almost surely, 2^253234349 is an apocalyptic number.

It is an amenable number.

253234349 is a deficient number, since it is larger than the sum of its proper divisors (1).

253234349 is an equidigital number, since it uses as much as digits as its factorization.

253234349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 35.

The square root of 253234349 is about 15913.3387131676. The cubic root of 253234349 is about 632.6655757575.

The spelling of 253234349 in words is "two hundred fifty-three million, two hundred thirty-four thousand, three hundred forty-nine".